黑白瞳孔伱瞧不出的忧伤
[hēi bái tóng kŏng nĭ qiáo bù chū de yōu shāng]
Translates as 'Black and white pupils with sorrow that you cannot see.' It alludes to having hidden or profound sadness that isn't easily detected, creating an air of mystery around the user's deeper feelings.